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How to Calibrate Laptop Battery Easily [3 Tested Methods] Calibration is an easy solution to extend the life of your laptop’s battery.




Below, you can find three simple ways for battery calibration in Windows 10.

You can easily calibrate your laptop battery manually or by accessing the BIOS.

We also recommend dedicated tools to rely on when it comes to battery lifespan.



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A typical laptop battery becomes weakened over time. This is especially common to laptops that are used rigorously on a daily basis.

One key indicator of a weakening laptop battery is the discrepancy between battery life readings and actual battery life.

To correct this discrepancy and extend the lifespan of your battery, the simple solution is battery calibration. And we’ll be showing you how to calibrate laptop batteries in this article.

However, a weakened laptop battery (that has not been calibrated) could cause serious confusion.

For instance, on a typical laptop, the remaining battery life could read 2 hours, which, in actual sense, is only 30 minutes or thereabout.

Hence, while your laptop battery is showing you 2 hours remaining, you get stunned after only 30 minutes – when your battery suddenly drops to 10%, and eventually powers off.

To avoid such confusion and ensure accurate readings of battery life (on a laptop), the ultimate solution is to calibrate your laptop battery.

Follow this article, as the Windows Report team provides you with tips, tricks, and software solutions, which can be employed to calibrate Windows 10 laptop battery.

How do I calibrate the battery on my Windows 10 laptop?

Some high-performance laptops come with a built-in battery calibration tool, which can easily be used to calibrate a laptop battery.

However, a number (in fact majority) of laptop brands are not equipped with this calibration tool.

Nevertheless, there is no cause for worry, as there is a simple trick you can adopt to manually calibrate your laptop battery, and boost its lifespan.

There are three solutions that you can use to calibrate your laptop battery: manually, using BIOS, or using third-party software.

For convenience, we’ll be showing you how to execute this manual calibration, in the next section of this article.

1. Calibrate the laptop battery manually 1.1. Modify your power settings

To manually calibrate a laptop battery, the first line of action entails changing the laptop’s power settings.

At this point, you would be required to change the power settings. This will prevent your laptop from automatically going into sleep/hibernation/power saving mode, after a few minutes of inactivity.

Once you’ve changed the power settings as appropriate, move to the next stage.

1.2. Connect/Disconnect/Reconnect your charger

Connect the charger and power the battery until it is fully charged. Leave the charger plugged in (after the battery is fully charged) for a few minutes or hours (to enable it to cool down).

Remove the charger from your laptop and allow the battery to drain down (discharge). Once the battery is completely drained, your laptop will go into hibernation or completely power off.

Reconnect your charger, and charge the battery up to 100% again.

Note: You can use your computer during the recharging process, but it is better to leave it still.

1.3. Calibrate the battery

Once your laptop becomes fully charged, the manual calibration process is complete. Your laptop should now show normal battery life readings.

After the whole process, you can reset your laptop’s power settings (back to the original settings), or if you like, you can leave it as it is.

2. Calibrate the laptop battery using BIOS

Some Windows laptops come with a pre-installed battery calibration program, which is embedded in their BIOS.

If your laptop has a built-in Battery Calibration program (in its BIOS), you can use it to calibrate the battery.

1. Power off your laptop, and power it on again.

Expert tip:

3. Enter the BIOS by pressing the F2 key at the boot menu.

4. Using the keyboard cursor keys, select the Power menu.

5. Navigate to the Start Battery Calibration section.

7. Follow the on-screen command and plug in your laptop charger.

8. Once your laptop‘s fully charged (100%), disconnect the charger.

9. Allow the battery to discharge from 100% to 0% until it automatically powers off.

10. Reconnect the charger (do not boot your system while it is charging).

11. Once it’s fully charged, the calibration process is complete.

12. You can then unplug the charger and reboot your system.

Also, if you encounter a corrupted battery prompt, you should address that quickly.

3. Calibrate the laptop battery with a third-party tool

There are special software solutions, exclusively designed for calibrating laptop batteries.

In this section of the article, we will be looking at two prominent battery calibration software that is compatible with Windows 10 laptops.

Battery management software can analyze and improve your battery. Many of these tools can give you comprehensive reports regarding the battery temperature, autonomy capacity, and more.

On top of that, you can set them up to help you optimize your settings for longer battery life. They can detect what process in your system is draining your battery the most and find quick and safe fixes for it.

AIDA64 is a popular hardware detection tool for Windows laptops that offers diagnostic functions and support for overclocking.

It can be employed to speed up the discharge process of a laptop battery and facilitate its calibration.

This software is compatible with all 32-bit and 64-bit Windows editions, including Windows 10 and Windows Server 2023.

Aside it is monitoring sensors in real time, it can also gather accurate voltage, temperature, and fan speed readings, while its diagnostic functions help detect and prevent battery issues.

⇒ Get AIDA64

No matter how strong your laptop battery is, it will eventually become weakened, with time.

The battery weakening process is gradual, such that you’ll hardly notice. At this point, battery life readings suddenly become inaccurate, throwing you into a state of confusion.

To prevent/avoid such a situation, you have to calibrate your laptop battery, preferably once every 2/3 months. And we have described, comprehensively, how to calibrate laptop battery in this article.

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How To Check The Battery Health Of Windows Laptop

Due to the smaller size, lighter weight and the fact that every laptop comes with a battery pack, it becomes an easier choice for many people to choose laptops over desktops. Some laptops come with removable batteries while others come with inbuilt batteries. As long as your PC comes with a battery, the capacity of the battery degrades with time and you may have to change the battery along the line.

Signs of Low Laptop Battery Health

There are times that you may see signs that your battery needs to be changed. Other times, the signs may look a bit confusing. For example, if you buy a new laptop and the battery is able to last for about 8 hours, after a year or two it may reduce to about 5 hours. That should tell you that your battery capacity is down. In a more confusing scenario, your PC may begin to misbehave. For example, it could go off for no reason or run very slow when on battery power. Such occurrence may get you confused.

You may think your PC has a motherboard issue and you may be forced to take it to the repair shop. This usually happens to PCs that come with inbuilt batteries.

In other cases, the laptop refuses to charge no matter how long you keep it on charge. You may see a sign that it’s charging but it never does. Some owners even blame such issues on the chargers and spend money buying new chargers.

Your battery health is the first thing to check if you see signs of misbehavior in your Windows laptop. If the battery health is too down, it can cause a lot of problems to your laptop.

For some reasons beyond explanation, Microsoft has made it quite difficult for users to check their battery health. So getting to know the health status of your Windows laptop is quite hectic. Worry no more as this article will make things a lot easier for you.

How do you Check the Battery Health of You Windows Laptop? Gizchina News of the week

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Download Battery Info View from this link. (When you open the link, scroll down until you see the name BatteryInfoView. Just like the image below.

After downloading, locate the downloaded file and extract it into a new folder you have created in any preferred location on your PC. (You may have to create a new folder on your desktop. This will make it easier for you to locate your file). You can also run it directly from the unzipping software if you don’t want to create a new folder. I recommend using WinRAR in this case.

When the extraction is done, you should find a file called chúng tôi It should look exactly like what is in the image below.

That is all you need to do in order to know the battery health of your laptop. You can save the file and check ones in a while. So, when your laptop begins to misbehave, it is best to first check your battery health. If the battery health is less than 70%, you may have to change it. However, if you check and it is less than 70% but your laptop still works fine, then you can keep using it for a while.

11 Ways To Increase Battery Life Of Windows 10 Laptop – Webnots

Battery life in a laptop is a very important part and you cannot ignore this. Battery life differ based on manufacturer and additional application installed on your laptop. For example, playing high resolution games or watching videos will easily burn your battery from the usage perspective. On other hand, not charging properly and misconfiguration will reduce the battery life in long run. As a normal user of Windows 10, you may wonder how to increase the battery life in Windows 10. Well, we have come up with few tips with the help of which you can save your laptop’s battery for more time.

Related: Improve battery life of your iPhone.

How to Increase Battery Life of Windows 10 Laptop

Enable battery save mode

Lower screen brightness

Check battery usage by apps

Power options

Display settings

Power & sleep settings

Lid closing settings

Enable power mode on battery saver

Unplug unnecessary devices

Set adaptive brightness

Video playbacks

1. Enable Battery Saver Mode

Windows has many background processes which suck your laptop’s battery continuously. You can enable battery saver mode which will help you in giving out minimum battery usage to those processes.

Remember, the battery saver mode will be available only when your laptop is running on battery and not when connected to power cable.

2. Lower Screen Brightness with Battery Saver Mode

You can control the battery setting from the Windows 10 system settings. Search for ‘Battery saver’ in Windows search box and press ‘Enter’ key to launch it.

With the help of the slider, set the battery saver enabling to 20%. Make sure to check ‘Lower screen brightness while in battery saver’ option. This option will be effect when the battery saver is on.

3. Check Battery Usages by Apps

We all use many apps in Windows and sometimes, we don’t even care which apps were installed on the PC. These unnecessary apps have some background processes which runs as soon as you get in to your PC. As a result, they keep on getting the battery usage. You may want to get rid of them.

4. Power Options & Display Settings 5. Windows 10 Display Settings 6. Power & Sleep Settings 7. Closing Lid Settings

By closing the lid, your laptop can go into sleep mode. To set this:

8. Enable Power Mode 9. Unplug Unnecessary Devices

Sometimes, it became our habit to charge our mobile phone and other peripherals which have USB connecting with the laptops. When the laptop itself running on a battery and using it for charging the mobile phones makes the batter drain faster. Eject the USB pen drives, portable Bluetooth device, not-in-use portable keyboards/mouse, mobile phones, etc. They consume very less amount of battery but still, it’s wasting.

10. Adaptive Brightness

Windows 10 adaptive brightness feature helps you in adjusting the brightness of the laptop. When you’ll be in the light it will enhance the brightness while in dark it will make it dim. This feature is available in power options. To enable it:

Go to search box, type ‘Control Panel’ then hit ‘Enter’ key.

Turn on the ‘On battery’ option.

11. Video Playbacks

Playing videos in low resolution can save your laptop’s battery life. Windows 10 has a feature which allows you to do that. To enable it:

Check the option ‘I prefer video to play at a lower resolution when on battery’.


It is important to take care of your battery from the beginning you have purchased the laptop. Instead of always powered in, sometimes it’s a good idea to use the battery power fully and then recharge again. This will ensure the battery can charge properly. Hope the above mentioned tips will also help to improve the battery life of your Windows 10 laptop.

Asus Novago Windows 10 On Snapdragon Laptop Has 22Hr Battery

ASUS NovaGo Windows 10 on Snapdragon laptop has 22hr battery

The Snapdragon 835 is moving onto its next target: always connected PCs, first with the $599 ASUS NovaGo. Having found its way into more than 120 mobile devices since it launched last year, Qualcomm’s chipset is now looking to larger form-factors, along with a tight partnership with Microsoft. That means Windows 10 on laptops, 2-in-1s, and tablets that have significantly longer battery life than any Intel or AMD-powered machine.

It’s Windows 10 on ARM, and Qualcomm is promising the benefits of a smartphone but in a more work-friendly form factor. That means always-on connectivity, first with 4G LTE but looking ahead to 5G. Qualcomm is expecting the first commercial deployments of 5G by the first half of 2023, with mass adoption following on the next year.

Getting online isn’t the only part, though. There’s also the promise of significantly longer battery life than any notebook or 2-in-1 gets today. Indeed, according to Cristiano Amon, EVP at Qualcomm Technologies and President of Qualcomm CDMA Technologies, the expectation is more than 20 hours of battery life. Some of Qualcomm and Microsoft’s initial partners are seeing 22+ hours, in fact, while standby times could be 4-5x what you see on an x86 machine.

There’s also instant-on support, again borrowed from smartphones and tablets. Form factors can be sleeker and more compact, too, since the components are smaller than traditional x86 processors and the hardware that accompanies them

Instrumental will be the same functionality that people are used to from their existing PCs. That means software like an “optimized version” of Office 365, Terry Myerson, EVP Windows and Devices Group, at Microsoft, explained at the Snapdragon Summit, at which Qualcomm hosted SlashGear this week. There’ll also be digital inking support, device depending, and the same sort of ports as users are already familiar with.

So what devices will you actually be able to buy? Among the first OEMs to join the Windows on Snapdragon party will be ASUS. “More and more consumers expect to be mobile, to be productive, have entertainment, and connect any time, anywhere,” Jerry Shen, CEO of ASUS, says. “There is a growing demand for constant connectivity and true all-day battery life while on the go.”

First up will be the ASUS NovaGo, which the company has dubbed the “world’s first Gigabit LTE laptop.” Using the Snapdragon X16 LTE modem with 4CA and 4x4MIMO it’ll be capable of up to 1 Gbps download speeds. It’ll have a 13.3-inch Full HD display, up to 256 GB of flash storage and up to 8 GB of RAM, while battery life is being billed at 22 hours video playback or over 30 days of standby. Both eSIM and Nano SIM support will be included.

There’s Windows Ink support with a digital stylus, along with Windows Hello support and Cortana. Connectivity includes 802.11ac WiFi, two USB 3.1 Type-A ports, a headphone jack, and a microSD card slot, all in something 14.9 mm thick and 1.39 kg in weight. It’ll be priced at a competitive $599 for a 4GB RAM and 64 GB storage, while the 8GB RAM / 256 GB storage NovaGo will be priced at $799.

How To Maintain Your Iphone’s Battery Health

Are you tired of constantly having to charge your iPhone throughout the day? If your iPhone’s battery health goes down, it cannot keep up with your busy schedule. Battery health reducing fast is one of the most common complaints among iPhone users. But don’t worry. I will share expert 11 ways to maintain your iPhone’s battery health. 

What kills your iPhone battery health?

First, you should know why your iPhone’s battery health is reducing so fast. Here are some of the most common reasons:

High usage: Constantly using your phone for streaming, gaming, browsing, and downloading large files can put a strain on the battery and cause it to reduce fast. 

Leaving apps running in the background: When apps run in the background, they continue to use power, especially those that track your locations, even when you’re not actively using them. Battery life can be significantly reduced as a result.

Exposure to heat: High temperatures can damage the battery and cause it to reduce more quickly.

Not updating the iOS: The update patches contain iOS optimizations. So, not updating your iPhone can also affect the battery’s health.

Using third-party battery cases or chargers: If you use non-Apple accessories, it can cause damage to the battery and degrade its overall health over time.

Battery age: Batteries have a limited lifespan. And as they age, they will naturally lose some of their capacity.

11 Ways to maintain your iPhone’s battery health

Apple considers 80% and above battery capacity to be ideal. To avoid going below that mark and stopping your battery from malfunctioning, you must employ best practices and maintain your iPhone’s battery health.

1. Don’t let your iPhone overheat

Your iPhone battery’s worst enemy is extreme temperatures and heat. According to Apple, your iPhone can operate without harm at temperatures as high as 95°F. Beyond that, the battery may suffer irreparable harm, and even your iPhone may explode. Though your iPhone has built-in safety features to temporarily turn it off in certain circumstances. 

To prevent your iPhone’s battery from overheating, don’t leave it in the sun or in front of a heater vent in your car. Moreover, temperatures below 32°F (0°C) also degrade battery life. It impairs the battery’s capacity to store charges. So, taking precautions will assist in keeping your iPhone’s battery in good shape.

2. Use Apple‘s original chargers

Some petty companies make copy products. So, if you bought MagSafe products online, it’s good to check the Apple MagSafe charger firmware and ensure you’ve got a genuine product.

3. Avoid letting your iPhone die

Letting your iPhone battery discharge is one of the worst things you can do to it. If a discharged lithium-ion battery is left in that condition for a long time, it will go into a deep discharge state and never function again. So, Apple addressed the issue and made iPhone batteries retain some reserve energy after being dead. 

However, if your iPhone runs out of power, charge it as quickly as you can. Also, use your iPhone’s Low Power mode when the battery is 20% or less. It prolongs the battery life until you can go to an outlet. Usually, I juice my iPhone multiple times a day to avoid completely draining it.

4. Don‘t charge overnight

Most people charge devices overnight. But do you know overcharging your iPhone harm the battery and reduce the battery’s health? Maybe your iPhone needs one hour of charging but plugging it in for 7-8 hours results in overcharging. It pushes more current into already charged cells. 

5. Avoid full charging your iPhone

Apple claims that after 500 full charge cycle counts, iPhone can’t maintain 100% battery health. When battery capacity depletes, your iPhone will not be able to hold the charge for long.

Besides, juicing iPhone fullest generates heat. You may notice the charging speed becomes slow after 80%. Therefore, I suggest avoiding charging your iPhone to 100% and keeping the battery level between 40% and 80%.

6. Get the best wireless charging iPhone cases

If you are using wireless chargers, always use an official MagSafe case for that. So, your iPhone will not struggle to maintain a good magnetic connection and capture the charge properly. Besides, premium cases tend to have plugs to close the charging port. Therefore, dirt and dust won’t be gathered. 

Also, waterproof cases safeguard your iPhone from water damage and protect the battery. But keep your eye out to check if your iPhone is overheating due to the case. If required, take off your iPhone cover while it’s charging to avoid this problem.

7. Measures to store iPhone for the long term

As I said before, keeping your iPhone switched off for a long could result in battery malfunction. So, if you are storing your iPhone, charge it to 50% and turn it off. Also, don’t forget to juice it once every six months. Don’t charge to 100% while storing your phone for a lengthy period of time.

8. Optimize your iPhone’s settings

Without a doubt taking the mentioned precautions will help to maintain your iPhone battery health. Besides, I have optimized a few settings to improve my iPhone battery capacity and fix the battery drain issue. I’d suggest you do the same. 😉

9. Turn off the Always-On display

10. Monitor email updating frequency

The Push and Fetch services help to keep your internet account, especially email, updated. It determines how often your iPhone checks for new emails, calendar alerts, iCloud, and other information from servers. Push automatically sends new data to your device whenever it arrives on the server.

You may set specific intervals at which your device will check for new information with the Fetch service. I suggest only allowing the Push function for your primary mail account and manually regulating Push and Fetch for other accounts. It will result in better power savings. 

Open the Settings app on your iPhone → choose Mail.

Select Fetch New Data → toggle off Push. 

11. Check and optimize Battery Usage information

To understand your usage and the specifics of your power consumption, check your iPhone’s battery usage data. It will mention all apps that are using the most energy. Besides, find out whether an app consumes a battery without being used from Background Activity stats. Now try to use those power-hungry apps less than regular.

So, that’s all for today, folks!

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Ava is an enthusiastic consumer tech writer coming from a technical background. She loves to explore and research new Apple products & accessories and help readers easily decode the tech. Along with studying, her weekend plan includes binge-watching anime.

How To Properly Charge A Phone Battery

Partly it’s how you use your phone—the apps you install, the junk you collect, the customizations you make, and the more and more notifications you receive—puts more strain on the battery. (Read our tips on how to extend battery life.)

Until we have new-fangled technologies such as smart clothes that optimise wireless performance, we must learn how to charge a battery that keeps it healthy for as long as possible.

Phone batteries, like all batteries, do degrade over time, which means they are increasingly incapable of holding the same amount of power. While they should have a lifespan of between three and five years, or between 500 and 1,000 charging cycles, a three-year-old phone battery is never going to keep going as long as a brand-new battery.

Three things wear out lithium-ion batteries: number of charging cycles, temperature, and age.

However, armed with our tips for best battery care practice, you can maintain your smartphone battery health much longer.

When should I charge my phone?

The golden rule is to keep your battery topped up somewhere between 30% and 90% most of the time. Top it up when it drops below 50%, but unplug it before it hits 100%. For this reason, you might want to reconsider leaving it plugged in overnight.

Pushing in the last charge from 80-100% causes a lithium-ion battery to age faster.

Maybe it’s better to recharge in the morning instead, at the breakfast table or on your office desk. That way, it is easier to keep an eye on the battery percentage during charging.

iOS users can use the Shortcuts app to set a notification when the battery level reaches a certain percentage. This is done under the tab “Automation” and then “Battery Level”.

Giving your phone a full recharge is not fatal for a phone battery, and it seems almost counter-intuitive not to do so, but giving it a full recharge every time you charge it will shorten its lifespan.

Likewise, at the other end of the scale, avoid allowing your phone battery to get below 20%.

Lithium-ion batteries don’t feel good about going too far below the 20% mark. Instead, see the extra 20% “at the bottom” as a buffer for demanding days, but on weekdays start charging when the warning for Low Battery level appears.

In short, lithium-ion batteries thrive best in the middle. Don’t get a low battery percentage, but also not too high.

Should I charge my phone battery to 100%?

No, or at least not every time you charge it. Some people recommend that you do a full zero to 100% battery recharge (a “charge cycle”) once a month—as this re-calibrates the battery, which is a bit like restarting your computer.

But others disregard this as a myth for current lithium-ion batteries in phones.

To keep your long-term battery life in good health, frequent, small charges are better than full recharging.

The deeper you discharge a lithium battery, the more stress is inflicted on the battery. So, topping up frequently extends battery life.

Also see: Best power banks

Should I charge my phone overnight?

As a rule, it’s best to avoid, despite the convenience of waking up with a full battery in the morning. Each full charge counts as a ‘cycle’, and your phone is only built to last for a set number. 

If you charge overnight, you are guaranteed to miss when the phone exceeds the magic 80% mark that is best for extended long-term life.

While most modern smartphones have built-in sensors to shut off charging when they hit 100%, if still turned on they will lose a small amount of battery while idle.

What you may get is a “trickle charge” as the charger attempts to keep the phone at 100% as your phone naturally loses on its own charge during the night. This means that your phone is constantly bouncing between a full charge and a little bit below that full charge – 99% to 100% and back again during a longer-than-required charge. It can also heat the phone up, which is also bad for the battery.

So, charging during the day is better than charging overnight.

Your best policy is to have Do Not Disturb and Airplane Mode switched on. Better still, you could completely switch off your phone, but that may not be possible if you rely on it as an alarm or wish to be ready to take calls at all hours. 

Some devices are also set to power up once the cable is connected by default. Even during waking hours, it’s best to catch your phone before it hits 100%, or at least not leave the charger supplying charge to an already full battery for too long. 

If you are leaving it plugged in for a long period of time, removing the case can prevent it over-heating.

Will fast-charging damage my phone?

The majority of modern smartphones support some form of fast-charging. However, this often requires you to purchase an additional accessory. The industry standard is Qualcomm’s Quick Charge, which delivers 18W of power.

However, many phone makers have their own fast charge standard, many of which can deliver even faster speeds by adjusting power management code to request a higher voltage charge is sent. Samsung is now even selling a 45W charger!

In the same way that phone batteries don’t like extreme heat, they also don’t like the cold. So it goes without saying that you should avoid leaving your phone in a hot car, on the beach, next to the oven, out in the snow. Typically, batteries perform at their optimum somewhere between 20 and 30°C, but short periods outside of this should be fine. 

Can I use any phone charger?

Where possible use the charger that came with your phone, as it is sure to have the correct rating. Or make sure that a third-party charger is approved by your phone’s manufacturer. Cheap alternatives from Amazon or eBay may harm your phone, and there have been several reported cases of cheap chargers actually catching on fire.

That said, your phone should draw only the power that it needs from a USB charger.

A smart charger will turn off when the phone battery reaches a certain percentage of charge, rather than constantly starting charging again when the charged battery falls down to 99% (“trickle charging”).

Also see: Best USB Chargers for your phone and Best Wireless Chargers. Owners of the iPhone 12, 13 or 14 should read our Best MagSafe Charger roundup.

How can I speed up charging?

One way to speed up phone charging is to turn on Airplane Mode while charging. This saves battery by automatically turning off mobile data.

Another way to charges faster is to charge your phone while it is on Low Power Mode.

And don’t use your phone while it is charging if you have the need for speed. The screen and other components generate heat, and obviously use up existing battery life depending on which apps you are using.

Battery memory effect: Fact or fiction?

The battery memory effect concerns batteries that are regularly charged between 20% and 80% and suggests that the phone might somehow ‘forget’ that extra 40% you routinely ignore.

Lithium batteries, which are in the majority of modern smartphones, do not suffer the battery memory effect, though older nickel-based (NiMH and NiCd) batteries do.

If you charge your phone while using it – for example, while watching a video – you can “confuse” the battery by creating mini-cycles, during which parts of the battery continually cycle and deteriorate at a faster rate than the rest of the cell.

Ideally, you should turn your device off while charging. But, more realistically, just leave it idle while charging.

Battery protection settings by phone maker

OnePlus has a battery monitor called “Optimized Charging” from its OxygenOS 10.0. This is activated under “Settings / Battery”. The smartphone then remembers what time you usually climb out of bed in the morning and only completes the critical last step of charging from 80 to 100% shortly before you get up – that is, as late as possible.

Google also offers integrated battery protection for its devices from Pixel 4 onwards. You will find the “Adaptive Charging” function under “Settings / Battery / Smart battery”. If you use it to charge your device after 9pm and at the same time set an alarm clock between 5am and 10am, you will have a freshly charged smartphone in your hand when you get up, but the full charge is only completed shortly before the alarm clock rings. 

Samsung has a battery charge function in selected tablets, such as the Galaxy Tab S6 or Galaxy Tab S7. “Protect Battery” can be found under “Settings / Device maintenance / Battery”. When the function is activated, the device simply defines the maximum capacity of the battery to 85%. 

Apple’s “Optimized Battery Charging” function is primarily intended to reduce the time window in which the battery is heavily charged. Fully charging over 80 percent is delayed or not even carried out in certain situations. It also depends on your own location, so energy gaps should be avoided when travelling or on vacation, for example. 

Huawei’s battery assistant is called “Smart Charge” and is available from EMUI 9.1 or Magic UI 2.1. The function can be switched on under “Settings / Battery / Additional Settings”, which means that charging of the device is stopped at 80% at night and only completed before you get up. Here, too, usage behaviour and, if necessary, an alarm clock setting is included in the planning.

Sony’s “Battery Care” function is found in the Battery settings for many models. The device learns when and for how long users connect the charging cable and adjusts the end of charging so that it coincides with the disconnection of the power supply. Sony devices can also be charged with a maximum charge of 80 or 90%. 

Keep the phone battery cool

As you might expect, heat is a battery’s enemy. Don’t let it get too hot or too cold—especially when charging. If a phone gets too hot, you will be damaging its battery, so try to keep it cool where possible.

Charging the phone from a power bank on the beach in a deckchair is a worst-case scenario for battery health. Try keeping your phone in the shade if you need to charge on a hot summer day. Charging by a window can also lead to excess heat. Read how to cool down a hot iPhone.

The cold is also not good for batteries either. If you come in from a long walk in the winter cold, let the phone reach room temperature before you plug in the cable.

Heat and batteries do not belong together. Batteries are a bit like humans, at least in the narrow sense that they thrive best around 20-25 degrees.

Storing battery tips

Don’t leave a lithium battery lying around too long at 0%—if you’re not using it for a while, leave it with around 50% charge.

If you are going to put the phone away for a long time, first charge it to somewhere between 40-80% and then turn off the phone.

You’ll find the battery will drain between 5% and 10% each month, and if you let it discharge completely it might become incapable of holding a charge at all. That’s probably why an old phone’s battery life is so much worse after a few months in a drawer, even when it hasn’t been used. 

More tips for longer phone battery life

• Use the power save mode more often. It reduces power consumption and thus reduces the number of cycles.

• Try your screen’s Dark Mode, as the phone turns off the pixels displaying black, This means you save battery life when the white panels go dark. Or just turn your phone’s brightness down!

• Turn off background updates for apps you think don’t need them—it also reduces power consumption.

• Turn off or put the phone in Airplane Mode when you don’t need it, such as overnight – preferably with a reasonable battery level left.

• Don’t force quit the apps. Your phone’s operating system is best at pausing the apps that aren’t needed—it uses lower power consumption than a “cold start” for each app again and again.

• Avoid cheap chargers and cables. When buying charging cables and plugs, it’s a false economy to buy cheap products. Hardware should have a charge control rather than an inferior, cheap circuit – otherwise there is a risk of overcharging. See best phone chargers, best charging cables for iPhone, best USB-C cables, and best MicroUSB charging cables.

Additional reporting by Samuel Nyberg and Steffen Zellfelder.

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